Americans'obsession with jeans is beginning to wear thin.

Jeans long have been a goto staple in closets across the country. After all, not many pieces of clothing are so comfortable they can be worn daily, yet versatile enough to be dressed up or down.

But sales of the iconic blues fell 6 percent during the past year after decades of almost steady growth. Why? People more often are sporting yoga pants and leggings instead of traditional denim.